We added this (below) to our ASR9901 which greatly sped up SCP-ing the software image.
lpts pifib hardware police flow ssh known rate 15000 flow ssh default rate 15000 I can't take credit for it -- found it online. On Mon, Aug 4, 2025 at 9:40 AM Simon Leinen via cisco-nsp < [email protected]> wrote: > Gert Doering writes: > > On Mon, Aug 04, 2025 at 02:09:18PM +0200, Simon Leinen via cisco-nsp > wrote: > >> [Mark Tinka writes:] > >> > I'd be keen to hear what your experience running IOS XR on the NCS540 > >> > (especially if it's in a high-volume metro setting) has been. > >> > >> Works nicely, like on the bigger routers (NCS-55A1 / Cisco 8000) as far > >> as I can tell. We're using a relatively small feature set (IPv4+IPv6 > >> routing, OSPFv2/v3+BGP, limited MPLS for L2 VPNS) and small routing > >> tables. Our configurations tend to be rather static, and we mostly use > >> old-style management protocols (SNMP/SSH/CLI). > > > Are IOS XR upgrades still such a pain today? (We never moved to XR64, > > and all I know is ASR9001, where the fastest way to do major upgrades > > still is "turbo boot" with 2+ hours of downtime...) > > In XR7 there's "install replace" which is relatively simple and fast, > though the .iso images it uses can be quite big (580MB to 2GB depending > on platform). So not as quick as IOS, but quite a bit better than your > experience with earlier IOS-XR versions. > > > This is one of the nice bits about IOS, IOS XE, EOS, etc. - "upload one > > image onto the box, reload, upgrade done" (and on EOS, the flash is > > actually fast enough to make the "upload" really use available bandwidth > > to the box...) > > XR7's install replace can install directly from ftp:// URLs. From what > my teammates say, copying/writing to flash still seems slow though. > > The NCS540 (using IOS-XR) actually reboot faster than the ASR920s (IOS-XE). > > Cheers, > -- > Simon. > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
